Finding the Fourth Proportional to 6,267.31, 8,648.89 and 3,434.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,267.31 : 8,648.89 = 3,434.87 : x
2. Step 2: Convert to fraction form
   6,267.31/8,648.89 = 3,434.87/x
3. Step 3: Cross multiply
   6,267.31x = 8,648.89 × 3,434.87
4. Step 4: Simplify right side
   6,267.31x = 29,707,825.83
5. Step 5: Solve for x
   x = 29,707,825.83/6,267.31
6. Step 6: Final answer
   x = 4,740.13